David Hockney's Summer Sky is a breathtaking portrayal of a serene countryside scene. The composition features a straight, empty road that extends into the distance, inviting the viewer to journey through the tranquil landscape. Flanking the road are lush, green trees with their canopies forming a natural frame around the scene. The trees are rendered with vibrant shades of green, each leaf meticulously detailed, showcasing Hockney's keen observation of nature.

Above, the sky is a mesmerizing focal point, depicted with sweeping, fluid lines that create a sense of movement and expansiveness. The sky's soft, pastel hues of blue and white convey a calm, sunny summer day, with clouds stretching out in elegant, wispy patterns. This dynamic sky contrasts beautifully with the solid, earthy tones of the trees and the road below.

The overall effect of Summer Sky is one of harmony and balance, capturing the essence of a perfect summer day. Hockney's masterful use of color, light, and perspective transforms this simple rural scene into a vibrant, almost ethereal experience. The painting invites viewers to pause and appreciate the natural beauty of the countryside, evoking a sense of peace and tranquility.